Shrubs
Decodon verticillatus
Swamp Loosestrife
NATIVE
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Many lance-shaped leaves
Credit: Kristie Gianopulos. Used with permission.
 
 
 
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Coefficient of Conservatism Values (more info)
Mountains
8
Piedmont
7
Coastal Plain
7
National Wetland Plant List Status (more info)
Eastern Mountains/Piedmont
OBL
Coastal Plain
OBL

FIELD ID CHARACTERISTICS:

Stems spongy below water; bark of stems above water sloughs off in long cinnamon-colored strips.

Description: Shrubby perennial with long arching leafy stems, some rooting at tips. Can also be considered herbaceous.

Leaves: Opposite or whorled, lance-shaped, large, to 20 cm long and 5 cm wide, with a prominent white or pink midvein. Leaves smooth above, pubescent with short hairs below.

Flowers/Fruit: Purple flowers about 3 cm wide, in clusters at leaf bases, with long, extending stamens. Blooms and fruits July to September.

Habit and Range: Shallow water around lakes and ponds, in marshes, swamps, and wet shrubby thickets in the Coastal Plain.

Taxonomic Note: This species is also called water-willow, but is more closely related to loosestrifes than willows.

Typical Max Plant Height (m):
3
Leaf Arrangement:
Whorled, Opposite      
Leaf Division:
Simple   
Leaf Margin:
Entire   
Leaf Shape:
Lance-shaped (Lanceolate)   
Inflorescence Color:
Purple, Pink   
  
Fruit Color:
Brown   
Lifespan:
Perennial
Group:
Dicot
Family:
Lythraceae / Loosestrife
Ecoregions Found In:
Coastal Plain